Cerulean Blue

#1F4DB7

General Information about Cerulean Blue

Cerulean Blue, represented by the hexadecimal color code #1f4db7, is a medium-dark shade of blue that evokes feelings of tranquility and openness. It is located in the blue hue range of the color spectrum, leaning towards a slightly cyan undertone. The color derives its name from the azure or sky-blue color of a clear sky. In color theory, Cerulean Blue is often associated with calmness, stability, and trust, making it a popular choice in branding and design. Its relatively low saturation gives it a subdued appearance, making it versatile for various applications. The RGB values for #1f4db7 are R:31, G:77, and B:183, while its CMYK values are C:83, M:58, Y:0, and K:28. It is also a popular choice for artistic representations of the ocean or sky.

The hex color #1f4db7, also known as Cerulean Blue, presents some accessibility challenges, particularly for users with visual impairments. Its relatively low luminance value of 0.14 makes it difficult to achieve sufficient contrast against lighter backgrounds, potentially failing WCAG (Web Content Accessibility Guidelines) contrast ratio requirements for text and interactive elements. For optimal accessibility, it's crucial to pair #1f4db7 with very light colors like white (#ffffff) or very light grays to ensure sufficient contrast for readability. When using this color for text, ensure that the text size is large enough to improve legibility. Alternatively, consider using a darker shade of blue to provide better contrast or reserve #1f4db7 for decorative elements where contrast requirements are less stringent. Always test color combinations with accessibility tools to verify compliance with accessibility standards and consider the needs of users with different types of visual impairments.

Shades

Digital Color Formats

RGB
31 77 183
RGB31 77 183
Red
Green
Blue
HSL
221.84deg 71.03% 41.96%
221.8471.0341.96HSL
Hue
Saturation
Lightness
HWB
221.84deg 12.16% 28.24%
221.8412.1628.24HWB
Hue
Whiteness
Blackness
hex#1F4DB7
rgb31 77 183
hsl221.84deg 71.03% 41.96%
cmyk83.06% 57.92% 0% 28.24%
hwb221.84deg 12.16% 28.24%
xyz-d650.12 0.09 0.46
oklch0.4574 0.1755 263.37
oklab0.4574 -0.02 -0.17
CMYK
83.06% 57.92% 0% 28.24%
83.0657.92028.24CMYK
Cyan
Magenta
Yellow
Key
XYZ-d65
0.12 0.09 0.46
0.120.090.46XYZ
X
Y
Z
OKLCH
0.4574 0.1755 263.37
0.45740.1755263.37LCH
Lightness
Chroma
Hue
OKLAB
0.4574 -0.02 -0.17
0.4574-0.02-0.17LAB
Lightness
Green-Red
Blue-Yellow

Alternative colors

Applications

Complementary color

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